dart2js: Use the correct hashes for deferred code in the startup-emitter.

pkg/compiler/lib/src/js_emitter/startup_emitter/emitter.dart

Index: pkg/compiler/lib/src/js_emitter/startup_emitter/emitter.dart
diff --git a/pkg/compiler/lib/src/js_emitter/startup_emitter/emitter.dart b/pkg/compiler/lib/src/js_emitter/startup_emitter/emitter.dart
index 83aeb44c8655544b5ae1212604f3b8e34a786b4b..0b37620e0553cd7bb287c79eaf626202a3401f5b 100644
--- a/pkg/compiler/lib/src/js_emitter/startup_emitter/emitter.dart
+++ b/pkg/compiler/lib/src/js_emitter/startup_emitter/emitter.dart
@@ -36,10 +36,12 @@ class Emitter implements emitterTask.Emitter {
 
   JavaScriptBackend get _backend => _compiler.backend;
 
-  Emitter(Compiler compiler, Namer namer, NativeEmitter nativeEmitter)
+  Emitter(Compiler compiler, Namer namer, NativeEmitter nativeEmitter,
+      bool shouldGenerateSourceMap)
       : this._compiler = compiler,
         this.namer = namer,
-        _emitter = new ModelEmitter(compiler, namer, nativeEmitter);
+        _emitter = new ModelEmitter(
+            compiler, namer, nativeEmitter, shouldGenerateSourceMap);
 
   @override
   String get patchVersion => "startup";